<template>
    <div class="back">
        <van-icon name="arrow-left" />
    </div>
</template>
<style lang="scss" scoped>
.back{
    position: fixed;
    left:6px;
    top:6px;
    width:33px;
    height: 33px;
    border-radius: 50%;
    border:1px solid #fff;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    .van-icon-arrow-left{
        width:24px;
        height: 24px;
        background: #fff;
         border-radius: 50%;
         text-align: center;
         line-height: 24px;

    }
}
</style>
